Add versioneer version control

Setup package for Versioner
[https://github.com/warner/python-versioneer] automated VCS version
management.

Author: cmlccie

.gitattributes

@@ -0,0 +1 @@
+ciscosparkapi/_version.py export-subst

MANIFEST.in

@@ -0,0 +1,3 @@
+include LICENSE.txt
+include versioneer.py
+include ciscosparkapi/_version.py

ciscosparkapi/__init__.py

@@ -1,3 +1,8 @@
+# Versioneer version control
+from ._version import get_versions
+__version__ = get_versions()['version']
+del get_versions
+
 from exceptions import ciscosparkapiException, SparkApiError
 from restsession import RestSession
 from api.accesstokens import AccessToken, AccessTokensAPI
@@ -52,4 +57,3 @@ def base_url(self):
     @property
     def timeout(self):
         return self.session.timeout
-